54054205513512 has 16 divisors (see below), whose sum is σ = 135135513783840. Its totient is φ = 18018068504496.

The previous prime is 54054205513493. The next prime is 54054205513519. The reversal of 54054205513512 is 21531550245045.

It is a happy number.

It is a super-2 number, since 2×54054205513512² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54054205513519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1126129281508 + ... + 1126129281555.

It is an arithmetic number, because the mean of its divisors is an integer number (8445969611490).

Almost surely, 2^{54054205513512} is an apocalyptic number.

It is an amenable number.

54054205513512 is an abundant number, since it is smaller than the sum of its proper divisors (81081308270328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54054205513512 is a wasteful number, since it uses less digits than its factorization.

54054205513512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2252258563072 (or 2252258563068 counting only the distinct ones).

The product of its (nonzero) digits is 600000, while the sum is 42.

Adding to 54054205513512 its reverse (21531550245045), we get a palindrome (75585755758557).

The spelling of 54054205513512 in words is "fifty-four trillion, fifty-four billion, two hundred five million, five hundred thirteen thousand, five hundred twelve".